Chaplain (Capt.) Denis Gueu, 11th Wing chaplain, offers a prayer of protection and thanks to 11th Security Forces Group Airmen before they begin a nine-mile and 11,000-meter ruck march Sept. 11, 2012. The Airmen held the march on the eleventh anniversary of the 9/11 terrorist attacks. The march lasted more than three hours and traced the perimeter of the installation. (U.S. Air Force photo/Senior Airman Lindsey A. Porter)